The present disclosure describes a system, apparatus, and method for storing, transporting, delivering, and dispensing carbonated beverages that maintains a high degree of carbonation and extends the shelf life of the beverage. The system includes a container that includes an outlet for dispensing the beverage. Disposed within the container is a first bladder that contains a fluid and an apparatus for exerting a constant pressure on the first bladder. The fluid is dispensed from the first bladder through the outlet, in response to the apparatus exerting pressure on the first bladder.
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1. A beverage dispensing system for reducing formation of headspace comprising:
a container comprising:
a base; and
a plurality of interconnected panels connected to the base to form the container, wherein at least one of the plurality of panels comprises an opening configured to receive an outlet;
a first bladder storing a carbonated fluid fitting within the container and comprising an outlet channel, wherein the first bladder comprises food grade material;
a valve connected to the outlet channel of the bladder, wherein the valve opens and closes to control a flow of the carbonated fluid from the first bladder;
a ratcheting mechanism for exerting a constant pressure on the first bladder to reduce formation of carbon dioxide in a headspace of the first bladder; and
a motor configured to raise or lower a diaphragm attached to a distal end of the ratcheting mechanism.
2. The beverage dispensing system of
3. The beverage dispensing system of
4. The beverage dispensing system of
5. The beverage dispensing system of
6. The beverage dispensing system of
7. The beverage dispensing system of
8. The beverage dispensing system of
9. The beverage dispensing system of
10. The beverage dispensing system of
11. The beverage dispensing system of
12. The beverage dispensing system of
14. The beverage dispensing system of
15. The beverage dispensing system of
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The present application is a continuation of co-pending U.S. application Ser. No. 16/134,922, entitled “Beverage Dispensing System” and filed on Sep. 18, 2018, which is a continuation of U.S. application Ser. No. 15/491,524, entitled “Beverage Dispensing System” and filed on Apr. 19, 2017, which issued as U.S. Pat. No. 10,106,393 on Oct. 23, 2018, the entireties of which are hereby incorporated by reference.
The present application is directed to a system, apparatus, and method for the improved storage, transportation, delivery, and dispensing of carbonated beverages.
Carbonated beverages are traditionally stored, transported, and consumed from a can, bottle, or other large vessel. Cans and bottles typically contain 12 fluid ounces (fl. oz.) with six, twelve, or twenty-four cans or bottles per container. However, the cylindrical design of cans and bottles results in inefficient packing. Moreover, glass bottles are much heavier than aluminum cans or bottles resulting in greater transportation costs. Furthermore, in several states, glass bottles are returned to the brewer, which must clean and sanitize the bottles before reusing.
In addition to the shortcomings with cans and bottles discussed above, large vessels, such as 2 liter bottles and kegs, have an additional shortcoming in that a small percentage of the beverage will be wasted. Additionally, beverages that are stored in large vessels present a greater risk of oxidation and loss of carbonation. Kegs also present a number of disadvantages. For example, the weight of kegs increases shipping costs. Furthermore, kegs must be returned, and the tracking of each keg between the producer, distributor, and retailer is a logistical problem resulting in yet additional costs. Additionally, a separate tap represents an additional expense for consumers. Finally, the carbonated beverages in kegs risk oxidation and loss of carbonation if the beverage is not consumed in a timely fashion.
According to one aspect of the disclosure, a system for storing, transporting, delivering, and dispensing carbonated beverages that maintains a high degree of carbonation and extends the shelf life of the beverage. The system includes a container with an outlet for dispensing a liquid. Additionally, the container contains a first bladder for storing a liquid and a second bladder to exert pressure on the first bladder to dispense the liquid contained in the first bladder. A pump may be attached to the second bladder, through the container, to fill the second bladder, for example, with atmosphere, a gas, or other fluid. In some examples, the system includes a support structure that holds the first and second bladder inside the container. According to some examples, the second bladder is adjacent to the first bladder. In other examples, the second bladder is located within the first bladder.
According to another aspect of the disclosure, a system for storing, transporting, delivering, and dispensing beverages includes a container with an outlet for dispensing a liquid. The container also contains a first bladder that stores a liquid and a diaphragm that exerts pressure on the bladder to dispense the liquid. The system includes a diaphragm to raise and lower the diaphragm to control the pressure on the first bladder.
As discussed above, carbonated beverages contain dissolved carbon dioxide at pressures greater than atmospheric pressure. However, once a carbonated beverage is opened to the atmosphere, the beverage slowly loses carbonation due to Henry's Law. To compensate for this loss in carbonation, carbonated beverage packagers fill the headspace of the container with carbon dioxide. However, once the container is opened, the partial pressure slowly returns to atmospheric conditions. As carbon dioxide accounts for less than 1% of the gas particles in the atmosphere, the dissolved carbon dioxide will leave the solution (e.g. carbonated beverage) and escape from the container, which results in the beverage losing carbonation and becoming “flat.”
The present disclosure describes a system, apparatus, and method for storing, transporting, delivering, and dispensing carbonated beverages that maintains a high degree of carbonation and extends the shelf life of the beverage. The system includes a container that includes an outlet for dispensing a beverage. The container may include a support structure. Disposed within the container and the support structure is a first bladder that is connected to the outlet. The first bladder contains a liquid that is dispensed through the outlet. The system includes a second bladder to exert pressure on the first bladder. As liquid is dispensed from the first bladder, the second bladder increases in pressure and expands in volume to exert pressure on the first bladder, thereby forcing the liquid toward lower pressure (e.g., the outlet valve). In this regard, a constant total volume may be maintained between the first and second bladders. Increasing the volume of the second bladder maintains pressure on the first bladder to sustain greater than atmospheric pressure on the first bladder to minimize the amount of atmosphere flowing back into the first bladder and reduce the formation of additional headspace. By minimizing the formation of additional headspace, the examples of the present disclosure reduce the loss of carbon dioxide dissolved in the liquid stored in the first bladder. This represents an improvement over prior art systems that permit atmosphere to flow into the vessel, thereby creating additional headspace for dissolved carbon dioxide to escape from the liquid.
Containers containing a bladder for dispensing beverages are known in the art. The most notable being a bladder contained within a box for dispensing wine, colloquially known as wine-in-a-box.
While prior art systems show a beverage dispensing system that includes a bladder disposed within a container, these systems are not equipped to accommodate fluids under pressure, especially carbonated beverages.
Container 210 may be made from any suitable material, including a waterproof material. Alternatively, the container 210 may be made from cardboard and coated in a water resistant material. A plurality of interconnected panels connected to the base to for the container. The container 210 is preferably rectangular-shaped, although other shapes may be used for the container, such as cylindrical. Support structure 220 is disposed within container 210. The support structure 220 would provide additional support to the beverage dispensing system 200, especially with respect to rectangular-shaped containers. In this regard, square vessels typically do not behave well under pressure, at least not as well as cylindrical containers. Support structure 220 provides additional support to compensate for the poor performance rectangular-shaped containers typically exhibit with fluids under pressure. Accordingly, support structure 220 may be made from a durable plastic, such as polyurethanes, polyesters, epoxy resins, and phenolic resins. Support structure 220 may also be produced as a molded plastic to form compartments between support structure 220 and the interior of container 210. The compartments may be filled with ice or other material (e.g. dry ice) to cool the liquid contained in first bladder 240. Additionally, support structure 220 may include a first channel (not shown) to connect outlet 230 to first bladder 240 and a second channel (not shown) to connect pump 260 to second bladder 250.
In preferred embodiments, outlet 230 may include a valve built into the container 210. Outlet 230 may be a spigot that opens to release the liquid from first bladder 240. In some embodiments, outlet 230 may be a one-way check valve to reduce the amount of air flowing into first bladder 240. Alternatively, outlet 230 may be an interface where a dispensing unit or tubing may be attached. In this regard, the dispensing unit and/or tubing may connect to a jockey box to chill the fluid contained in first bladder 240 prior to being dispensed through outlet 230. As noted above, outlet 230 connects to the first bladder 240 via a channel in the support structure 220. According to some embodiments, support structure 220 may include a compartment proximately located to the channel to store ice or other material to cool the liquid contained in first bladder 240 prior to it being dispensed.
Similar to outlet 230, pump 260 may be built into the container 210. In this regard, pump 260 may be connected to the second bladder 250 through a channel in the support structure. According to some examples, pump 260 may manually fill second bladder 260 with atmosphere through a pumping action. Alternatively, pump 260 may automatically fill the second bladder 250 with a gas, such as carbon dioxide or nitrous oxide. Accordingly, the pump 260 may include a cartridge containing the gas. The cartridge may contain a regulator and/or check valve. The cartridge may be connected to outlet 230 such that when outlet 230 is opened pump 260 is activated to fill the second bladder 250 with gas and dispense the liquid from the first bladder 240. In still yet alternative embodiments, second bladder 260 may be filled with a dense fluid. According to these embodiments, the dense fluid may be stored in a reservoir (not shown) and flow into second bladder 250. For example, the dense fluid may flow in response to a person opening outlet 230. In this regard, there may be an actuator connected to the reservoir to permit the dense fluid to flow from the reservoir into second bladder 250.
The first bladder 240 is a bladder made of food-grade material configured to hold a fluid, such as a carbonated beverage. In preferred embodiments, the first bladder 240 is cubic-shaped and made from any suitable food-grade material. For example, the first bladder 240 may include any suitable food-grade material or combination of food-grade materials, such as one or more polymers, including plastics, nylons, EVOH, polyolefins, or other natural or synthetic polymers, polyethylene terephthalate (PET), polyethylene naphthalate (PEN), poly(butylene 2,6-naphthalate) (PBN), polyethylene (PE), linear low-density polyethylene (LLDPE), low-density polyethylene (LDPE), medium-density polyethylene (HDPE), high-density polyethylene (HDPE), polypropylene (PP), and/or fluoropolymer. While preferred examples include a cubic-shaped first bladder 240, rectangular or cylindrical shapes may be used for the first bladder 240.
The second bladder 250 is an air-tight bladder configured to expand and contract in response to the application of pressure. In this regard, the second bladder 250 may be made from any suitable material, including the same material as the first bladder 240. Moreover, the second bladder 250 may be the same shape as the first bladder 240. Alternatively, the second bladder 250 may be the same shape as the container 210 to better fill the interior cavity of container 210 and exert pressure on first bladder 240.
Turning to
A previously discussed, outlet 320 may be a valve built into the container 310, such as a spigot, a faucet, one-way check valve, or a hinge-valve, that opens to release a fluid from the first bladder 330. Alternatively, outlet 320 may be an interface where a spigot, a faucet, one-way check valve, or a hinge-valve may be connected to the container 310. In this regard, the outlet 320 may include a channel connecting to the first bladder 340.
The pump 350 may also be built into the container 310. Specifically, the pump 350 may be connected to the second bladder 340 through the container 310. Preferably, pump 350 manually inflates the second bladder 340. Alternatively, pump 350 may be a disposable cartridge configured to automatically fill the second bladder 340 with a gas. According to these examples, the cartridge may be connected to the outlet 320 such that when the outlet 320 is opened the pump 350 is activated to fill the second bladder 340 with gas and dispense the liquid from the first bladder 330.
The first bladder 330 is a food-grade bladder made of any suitable material, such as one or more of the materials discussed above. The second bladder 340 is an air-tight bladder configured to expand and contract in response to the application of pressure. In operation, a user will fill second bladder 340 using pump 350. Second bladder 340 expands and exerts pressure on first bladder 330. The pressure exerted on first bladder 330 by second bladder 340 maintains a substantially constant pressure, thereby reducing the amount of carbonation that escapes from the carbonated fluid contained in first bladder 330. The pressure in second bladder 340 is increased, and the user will open outlet 320 at which time the fluid contained in first bladder 330 will flow through outlet 320. In this regard, a user may open outlet 320 after increasing the pressure on second bladder 340 or at the same time that pressure is being applied to second bladder 340.
In some embodiments, the second bladder may be attached to multiple locations on the interior of the container.
As previously noted, first bladder 430 is a bladder made of any suitable, food-grade material. Second bladder 440 is an air-tight bladder configured to expand and contract in volume. Second bladder 440 may be conical shaped that encompasses first bladder 430 to maximize the volume of liquid contained within first bladder 430. According to some embodiments, second bladder 440 may include a first appendage 442, a second appendage 444, and a third appendage 446 that attach to an interior surface of container 410 to maintain the location of second bladder 440. While only three appendages are illustrated in
According to another embodiment of the disclosure, a bladder within a bladder beverage dispensing system could be used to reduce the loss of carbonation and extend the shelf-life of the carbonated fluid.
As discussed above, the outlet 520 is preferably a valve built into the container 510, such as a spigot, a faucet, a one-way check valve, or a hinge-valve that opens to release the liquid from the first bladder 530. Alternatively, the outlet 520 may be an interface where a spigot, a faucet, or a hinge-valve may be connected to the container 510. In this regard, outlet 520 may include a channel connecting to first bladder 530. Additionally, outlet valve 520 may include an interface on the interior of container 510 for the first bladder 530 to connect to the container 510 and outlet valve 520. In this regard, first bladder 530 may be disposable or interchangeable to allow for the exchange of the first bladder.
The pump 550 may also be built into the container 510. Alternatively, the pump 550 may be an interface on the exterior surface of container 510 where a removable pump may be connected. According to other examples, pump 550 may be a disposable cartridge that connects to an interface on the exterior surface of container 510.
Similar to the bladders discussed above, the first bladder 530 is a food-grade bladder made of any suitable material. Furthermore, the second bladder 540 is an air-tight bladder configured to expand and contract in response to the application of pressure from the pump 550. The first bladder 530 and second bladder 540 may be connected. For example, the first bladder 530 and second bladder 540 may be connected via an interface that connects to top, interior surface of container 510. The interface of the first bladder 530 and second bladder 540 may interlock with a corresponding interface on the interior surface of the container 510. The interface permits pump 550 to fill the second bladder 540 with atmosphere or another type of gas, while maximizing the amount of fluid contained by the first bladder 530.
In an alternative embodiment, the beverage dispensing system of the present disclosure may use a diaphragm in lieu of a second bladder.
The diaphragm-based dispensing system 600 includes a container 610 that has an outlet valve 620 and a knob 650. A first bladder 630 may be located within the container 610. Additionally, the dispensing system 600 includes a diaphragm 640 located within the container 610 that is connected to the knob 650 via a rod.
The outlet 620 may be a valve built into the container 610 that dispenses the liquid from the first bladder 630. Alternatively, the outlet 620 may be an interface where a spigot, a faucet, a one-way check valve, or a hinge-valve may be connected to the container 610 to dispense the liquid from the first bladder 630. Accordingly, the outlet 620 includes a channel connecting to the first bladder 630. As discussed above, the outlet valve 620 may include an interface on the interior surface of container 610 where the first bladder 630 attaches to container 610 and outlet valve 620. The first bladder 630 is a bladder made of any suitable food-grade material, as discussed above.
The diaphragm 640 may be connected to the distal end of a rod. The proximal end of the rod connects to the knob 650. In preferred embodiments, diaphragm 640 has a shape and area substantially equal to the interior of container 610. Substantially equal means that the diaphragm is a several millimeters to a few centimeters smaller than the interior area of container 610. In embodiments that include an internal support structure, substantially equal means the diaphragm is several millimeters to a few centimeters smaller than the interior area of container 610 with the support structure. In this regard, the diaphragm 640 may apply a constant pressure to the first bladder 630. In order to maintain the constant pressure, the knob 650 may vertically raise and/or lower diaphragm 640 via a screw or ratcheting mechanism.
In the embodiments described above, a rectangular shape is preferred for the container since a rectangular shape provides greater volumetric efficiency. That is, more fluid may be stored in rectangular-shaped containers than cylindrical containers. For example, a typical six-pack of bottles of beer is 5 inches wide, 7 inches deep, and 8¼ inches tall, holding 72 fluid ounces (6 bottles, each holding 12 fluid ounces) and occupying approximately 290 cubic inches. By comparison, a 6 inch wide, 6 inch deep, and 6 inch tall implementation of beverage dispensing system 200 would hold approximately 120 fluid ounces and occupy 216 cubic inches of space. Table 1 below illustrates the benefits of implementing a rectangular-shaped container for beverage dispensing system 200.
TABLE 1
edge of cube
# 12 fl oz
(in)
volume (in3)
volume (gal)
volume (fl oz)
servings
6
216
0.94
120
10
7
343
1.48
190
16
8
512
2.22
284
24
9
729
3.16
404
34
10
1000
4.33
554
46
11
1331
5.76
738
61
12
1728
7.48
958
80
13
2197
9.51
1217
101
14
2744
11.88
1520
127
15
3375
14.61
1870
156
16
4096
17.73
2270
189
17
4913
21.27
2722
227
18
5832
25.25
3232
269
19
6859
29.69
3801
317
20
8000
34.63
4433
369
As illustrated above, the embodiments described in the present application allow for beverage companies to transport the same amount of volume in less space using smaller, uniform containers. Accordingly, the embodiments described herein provide for more efficient packing for shipping and storing purposes. That is, the present invention allows the same volume to be distributed in a smaller, uniformly shaped container allowing for more containers to be transported and/or stored. To further illustrate the advantages of the present disclosure, Table 2 below compares several common containers to examples of the present invention to illustrate how the embodiments provide an equal amount of volume using less space and fewer resources, which results in greater packing efficiency.
TABLE 2
nominal outer dimensions of container
volume
volume
of
of
volume of
volumetric
length
width
height
container
container
beverage
packing
(in)
(in)
(in)
(in3)
(gallons)
(gallons)
efficiency
case of cans
15.75
10.5
4.75
786
3.40
2.25
66%
case of bottles
14
9.75
9.25
1263
5.47
2.25
41%
8.5 in edge cube
8.5
8.5
8.5
614
2.66
2.25
85%
⅙ barrel
9.25
diameter
23.375
1571
6.80
5.17
76%
11 in edge cube
11.25
11.25
11.25
1424
6.16
5.17
84%
¼ barrel
16.125
diameter
13.875
2833
12.27
7.75
63%
¼ barrel slim
11.125
diameter
23.375
2272
9.84
7.75
79%
12.75 in edge cube
12.75
12.75
12.75
2073
8.97
7.75
86%
Assuming packing efficiency is determined as the volume of the beverage divided by the total volume of the beverage and its container. In this regard, a case of cans and a case of bottles (both of which contain 2.25 gallons) have an efficiency of 66% and 41%, respectively. In comparison, the beverage dispensing system described herein can transport the same volume (e.g., 2.25 gallons) in less space and making use of fewer resources, which results in a packing efficiency of 85%. On average, the beverage dispensing systems described herein result in approximately an 85% packing efficiency, while the most efficient of conventional containers only have a packing efficiency of 79%. Thus, the beverage dispensing system described herein provides improvements and advantages over prior art systems.
Unless otherwise stated, the foregoing alternative examples are not mutually exclusive, but may be implemented in various combinations to achieve unique advantages. As these and other variations and combinations of the features discussed above can be utilized without departing from the subject matter defined by the claims, the foregoing description of the embodiments should be taken by way of illustration rather than by way of limitation of the subject matter defined by the claims. In addition, the provision of the examples described herein, as well as clauses phrased as “such as,” “including” and the like, should not be interpreted as limiting the subject matter of the claims to the specific examples; rather, the examples are intended to illustrate only one of many possible embodiments. Further, the same reference numbers in different drawings can identify the same or similar elements.
Russell, Justin, Rojas, Christopher, LaForgia, Christian, Finneran, David
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